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- Imports System.Data.SqlClient
-
-
- Public Class eform_measure
- Dim cmd As New SqlCommand
- Dim da As New SqlDataAdapter
- Dim sql As String
- Dim colorArray(10) As Color
- Dim conn As New SqlConnection
-
- Private Sub eform_measure_Load(sender As Object, e As EventArgs) Handles MyBase.Load
-
-
- conn.ConnectionString = connstring
-
-
-
- cmd.Connection = conn
-
-
-
- sql = "WITH CTE AS (SELECT timestamp, data, PATINDEX('%[^0-9.-]%', data) AS pos
- FROM HT_sf), CTE2 AS
- (SELECT timestamp, data, CASE WHEN pos > 0 THEN LEFT(data, pos - 1) ELSE data END AS data1,
- CASE WHEN pos > 0 THEN SUBSTRING(data, (pos - 1) + PATINDEX('%[0-9.-]%', SUBSTRING(data, pos,
- LEN(data))), LEN(data)) ELSE NULL END AS data2_orig
- FROM CTE AS CTE_1)
- SELECT timestamp, data, data1, CASE WHEN data2_orig IS NOT NULL AND CONVERT(DECIMAL(18, 2), data2_orig)
- >= 0 THEN N'合计' + CONVERT(VARCHAR(20), CONVERT(DECIMAL(18, 2), data2_orig))
- ELSE '' END AS data2
- FROM CTE2 AS CTE2_1
- ORDER BY timestamp DESC"
- cmd.CommandText = sql
-
- Dim dt As New DataTable
-
- da.SelectCommand = cmd
- da.Fill(dt)
-
-
- DataGridView1.DataSource = dt
-
- End Sub
-
- Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
-
- sql = "WITH CTE AS (SELECT timestamp, data, PATINDEX('%[^0-9.-]%', data) AS pos
- FROM HT_sf), CTE2 AS
- (SELECT timestamp, data, CASE WHEN pos > 0 THEN LEFT(data, pos - 1) ELSE data END AS data1,
- CASE WHEN pos > 0 THEN SUBSTRING(data, (pos - 1) + PATINDEX('%[0-9.-]%', SUBSTRING(data, pos,
- LEN(data))), LEN(data)) ELSE NULL END AS data2_orig
- FROM CTE AS CTE_1)
- SELECT timestamp, data, data1, CASE WHEN data2_orig IS NOT NULL AND CONVERT(DECIMAL(18, 2), data2_orig)
- >= 0 THEN N'合计' + CONVERT(VARCHAR(20), CONVERT(DECIMAL(18, 2), data2_orig))
- ELSE '' END AS data2
- FROM CTE2 AS CTE2_1
- ORDER BY timestamp DESC"
- cmd.CommandText = sql
-
- Dim dt As New DataTable
-
- da.SelectCommand = cmd
- da.Fill(dt)
-
-
- DataGridView1.DataSource = dt
-
-
- End Sub
- End Class
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